From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: x2APIC emulation for HVM guest Date: Thu, 02 Dec 2010 06:48:15 +0100 Message-ID: <4CF7331F.7080207@redhat.com> References: <201012021009.36497.sheng.yang@intel.com> <4CF72F1D.5090107@redhat.com> <201012021343.49014.sheng.yang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201012021343.49014.sheng.yang@intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Yang, Sheng" Cc: "xen-devel@lists.xensource.com" , Keir Fraser List-Id: xen-devel@lists.xenproject.org On 12/02/2010 06:43 AM, Yang, Sheng wrote: > I think we can do it step by step. This patch is big enough. Yes, I agree it can go in as a separate patch. > I'd like to work the direct EOI patch out, but I am thinking about how to test > it... Maybe you can run Xen inside an HVM guest, forcing x2apic mode to be enabled? You do not need nested VMX if you only run PV guests in the guest hypervisor. Paolo